But out of concern for her mental state, she was admitted to the psychiatric ward at Washington Hospital, her defense attorney told the court Thursday. Tian did not appear at the hearing.

Her next court date was scheduled for Sept. 18. It's hoped she will be well enough to attend.

Police and prosecutors also believe Tian is connected to recent vandalism at the Lincoln Memorial, a church and a statue outside the Smithsonian castle. Green or white paint was found at each location.

Tian has a Chinese passport. She had been traveling in Washington on a tourist visa that expired July 27.